Inventor
URANO SHIGERU
19 patents
⚠️ This page may combine multiple inventors who share the name “URANO SHIGERU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON PISTON RING CO LTD
18 patentsUS4644912AFeb 24, 1987
Cam shaft and method of manufacture
NIPPON PISTON RING CO LTD51 citations94
US4708029ANov 24, 1987
Camshaft
NIPPON PISTON RING CO LTD27 citations92
US4687185AAug 18, 1987
Tool for supporting a composite camshaft during sintering
NIPPON PISTON RING CO LTD32 citations92
US4595556AJun 17, 1986
Method for manufacturing camshaft
NIPPON PISTON RING CO LTD32 citations92
US4505988AMar 19, 1985
Sintered alloy for valve seat
NIPPON PISTON RING CO LTD33 citations92
US4447275AMay 8, 1984
Cylinder liner
NIPPON PISTON RING CO LTD30 citations92
US4472350ASep 18, 1984
Method of making a compound valve seat
NIPPON PISTON RING CO LTD24 citations82
US4393821AJul 19, 1983
Cylinder or cylinder liner
NIPPON PISTON RING CO LTD22 citations82
US4790875ADec 13, 1988
Abrasion resistant sintered alloy
NIPPON PISTON RING CO LTD13 citations74
US4123265AOct 31, 1978
Method of producing ferrous sintered alloy of improved wear resistance
NIPPON PISTON RING CO LTD16 citations74
US4761870AAug 9, 1988
Method for making a camshaft
NIPPON PISTON RING CO LTD12 citations73
US4556532ADec 3, 1985
Method for manufacturing camshaft
NIPPON PISTON RING CO LTD10 citations73
US4363662ADec 14, 1982
Abrasion resistant ferro-based sintered alloy
NIPPON PISTON RING CO LTD17 citations73
US4348232ASep 7, 1982
Abrasion resistant ferro-based sintered alloy
NIPPON PISTON RING CO LTD17 citations73
US3930902AJan 6, 1976
Relative sliding members
NIPPON PISTON RING CO LTD10 citations73
US4526617AJul 2, 1985
Wear resistant ferro-based sintered alloy
NIPPON PISTON RING CO LTD3 citations62
US4649011AMar 10, 1987
Method of making a cam shaft
NIPPON PISTON RING CO LTD2 citations60
US4467169AAug 21, 1984
Cylinder liner
NIPPON PISTON RING CO LTD1 citations52